The mean deviation about the mean for the data {5,5,5,5,5,5,5,5,5,5,5,5,5,5} is 0.
The mean deviation about the mean for the following data 3, 7, 8, 9, 4, 6, 8, 13, 12, 10 is:
For ungrouped data, mean deviation about mean is =
Find the mean deviation about the mean for the data
38, 70, 48, 40, 42, 55, 63, 46, 54, 44